Can this equation be reduced further?

[tamtam402]

I got this equation from a Karnaugh map:

F = (x'y'z) + (x'yz')

F = x'(y'z + yz')

Here I noticed the XOR pattern, so:

F = x'(y$\oplus$z)

Was I supposed to be able to reduce this further?

 

[NascentOxygen]

That expression seems as simple as possible.